/*
 * This file is part of aion-lightning <aion-lightning.org>.
 *
 * aion-lightning is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * aion-lightning is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with aion-lightning.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.aionemu.gameserver.services;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.aionemu.gameserver.configs.administration.AdminConfig;
import com.aionemu.gameserver.model.gameobjects.StaticDoor;
import com.aionemu.gameserver.model.gameobjects.player.Player;
import com.aionemu.gameserver.model.templates.staticdoor.StaticDoorState;
import com.aionemu.gameserver.network.aion.serverpackets.SM_SYSTEM_MESSAGE;
import com.aionemu.gameserver.utils.PacketSendUtility;

/**
 * @author Wakizashi
 */
public class StaticDoorService {

	private static final Logger log = LoggerFactory.getLogger(StaticDoorService.class);

	public static StaticDoorService getInstance() {
		return SingletonHolder.instance;
	}

	@SuppressWarnings("synthetic-access")
	private static class SingletonHolder {

		protected static final StaticDoorService instance = new StaticDoorService();
	}

	public void openStaticDoor(final Player player, int doorId) {
		if (player.getAccessLevel() >= 3)
			PacketSendUtility.sendMessage(player, "door id : " + doorId);

		StaticDoor door = player.getPosition().getWorldMapInstance().getDoors().get(doorId);
		if (door == null){
			log.warn("Not spawned door worldId: "+ player.getWorldId()+" doorId: "+doorId);
			return;
		}
		int keyId = door.getObjectTemplate().getKeyId();

		if (player.getAccessLevel() >= 3)
			PacketSendUtility.sendMessage(player, "key id : " + keyId);

		if (checkStaticDoorKey(player, doorId, keyId)) {
			door.setOpen(true);
		}
		else
			log.info("Opening door without key ...");
	}
	
	public void changeStaticDoorState(final Player player, int doorId, boolean open, int state) {
		StaticDoor door = player.getPosition().getWorldMapInstance().getDoors().get(doorId);
		if (door == null){
			PacketSendUtility.sendMessage(player, "Door is not spawned!");
			return;
		}
		door.changeState(open, state);
		String currentStates = "";
		for (StaticDoorState st : StaticDoorState.values()) {
			if (st == StaticDoorState.NONE)
				continue;
			if (door.getStates().contains(st))
				currentStates += st.toString() + ", ";
		}
		if ("".equals(currentStates))
			currentStates = "NONE";
		else
			currentStates = currentStates.substring(0, currentStates.length() - 2);
		PacketSendUtility.sendMessage(player, "Door states now are: " + currentStates);
	}

	public boolean checkStaticDoorKey(Player player, int doorId, int keyId) {
		if (player.getAccessLevel() >= AdminConfig.DOORS_OPEN)
			return true;

		if (keyId == 0)
			return true;
			
		if (keyId == 1)
			return false;

		if (!player.getInventory().decreaseByItemId(keyId, 1)) {
			PacketSendUtility.sendPacket(player, SM_SYSTEM_MESSAGE.STR_CANNOT_OPEN_DOOR_NEED_KEY_ITEM);
			return false;
		}

		return true;
	}
}
